Published in Smithsonian Miscellaneous Collections, in 1936, in volume 73, issue 8, pages 23-28

Published in Smithsonian Miscellaneous Collections, in 1936, in volume 73, issue 8, pages 29-31

Published in Smithsonian Miscellaneous Collections, in 1936, in volume 73, issue 8, pages 32-33

Published in Smithsonian Miscellaneous Collections, in 1936, in volume 73, issue 8, pages 34-36

Published in Smithsonian Miscellaneous Collections, in 1936, in volume 94, issue 13, pages 1-102

Published in Smithsonian Miscellaneous Collections, in 1936, in volume 95, issue 18, pages 1-2